This is the small speaker, can be inserted to MP3, MP4, Computer, and can be inserted the memory card, portable and useful, the prower can be charged by PC, or usb cable, so pls contact me immediately ...Keyword : mini speaker | mp3 speaker | portable speaker | small speaker

This is the small speaker, can be inserted to MP3, MP4, Computer, and can be inserted the memory card, portable and useful, the prower can be charged by PC, or usb cable, so pls contact me immediately ...Keyword : mini speaker | small speaker | portable speaker